Howtosignalprocessing
Spectral analysis or spectrum analysis is analysis in terms of a spectrum of frequencies or related quantities such as energies, eigenvalues, etc. In specific areas it may refer to: Spectroscopy in chemistry and physics, a method of analyzing the properties of matter from their electromagnetic interactions.
- What is meant by spectral analysis?
- Why is spectral analysis important?
- How is spectra used in chemical analysis?
- How many types of spectral analysis are there?
What is meant by spectral analysis?
Spectral analysis is the process of estimating the power spectrum (PS) of a signal from its time-domain representation. Spectral density characterizes the frequency content of a signal or a stochastic process.
Why is spectral analysis important?
Spectral analysis is used for solving a wide variety of practical problems in engineering and science, for example, in the study of vibrations, interfacial waves and stability analysis.
How is spectra used in chemical analysis?
As each atom corresponds to and can be represented by an individual spectra, we can use the analysis of wavelengths in the light spectrum to identify them, quantify physical properties, and analyse chemical chains and reactions from within their framework.
How many types of spectral analysis are there?
There are two broad categories of spectrum analyzers: swept-tuned analyzers and real-time analyzers. Both swept-tuned analyzers and real-time analyzers have been around for many years.
